Special items: non-programmable calculators approved for use in this examination
Important note to candidatesNo other items may be taken into the examination room. It is your responsibility to ensure that you do not have any unauthorised material. If you have any unauthorised material with you, hand it to the supervisor before reading any further.
Place a tick () in one of the following boxes to indicate your examination context
Wood
Metal
Textiles
Number of additional answer booklets used(if applicable):
Ref: 19-0452020/2691Web version of 2019/54951
MATERIALS DESIGN AND 2 TECHNOLOGY
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Structure of the examination
The Materials Design and Technology ATAR course examination consists of a written component and a practical (portfolio) component.
Structure of this paper
SectionNumber of questions available
Number of questions to be answered
Suggested working time
(minutes)
Marks available
Percentage of written
examination
Section OneShort answer 3 3 20 27 15
Section TwoExtended answer 4 4 40 37 25
Section ThreeCandidates to choose one of the following contexts:
6 6 90 69 60WoodMetalTextiles
Total 100
Instructions to candidates
1. The rules for the conduct of the Western Australian external examinations are detailed inthe Year 12 Information Handbook 2019. Sitting this examination implies that you agreeto abide by these rules.
2. Write your answers in this Question/Answer booklet.
3. Answer the questions according to the following instructions.
Section Three: Answer all of the questions within your context: Wood, Metal or Textiles.
5. Supplementary pages for planning/continuing your answers to questions are provided atthe end of this Question/Answer booklet. If you use these pages to continue an answer,indicate at the original answer where the answer is continued, i.e. give the page number.
3 MATERIALS DESIGN ANDTECHNOLOGY
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Section Three: Sectionalised and extended answer 60% (69 Marks)
You are required to choose one of the following options, according to the context you have studied in 2019.
Tick one of the boxes below to indicate your choice of context.
Context Question Pages
Wood 8–13 5–14
Metal 14–19 15–24
Textiles 20–25 25–35
Now turn to the relevant pages and answer the questions for the context you have studied.
MATERIALS DESIGN AND 4 TECHNOLOGY
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WOOD CONTEXT 5 MATERIALS DESIGN ANDTECHNOLOGY
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Section Three: Wood context 60% (69 Marks)
This section contains six questions. Answer all questions.
Suggested working time: 90 minutes.
Question 8 (10 marks)
(a) Identify an innovative timber and list three advantages and three disadvantages of using this material over solid timber. (7 marks)
Innovative timber:
Advantages:
Disadvantages:
(b) Withreferencetothematerialidentifiedabove,explaintheinfluencethismaterialhashad in relation to product design. (3 marks)
MATERIALS DESIGN AND 6 WOOD CONTEXTTECHNOLOGY
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Question 9 (15 marks)
With reference to the characteristics of hardwoods and softwoods, answer the following questions.
(a) Using the diagram below, label the parts in the cross-section of the tree. Two have been completed for you. (6 marks)
(c) Describe one method of seasoning timber. (2 marks)
(d) List three consequences of using timber that has not been seasoned appropriately to the correct moisture content. (3 marks)
MATERIALS DESIGN AND 8 WOOD CONTEXTTECHNOLOGY
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Question 10 (18 marks)
Below is an image and a set of plans for an indoor dining table.
7 MATERIALS DESIGN AND TECHNOLOGY
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Question 10 (18 marks) Below is an image and a set of plans for an indoor dining table.
TOP VIEW
FRONT VIEW SIDE VIEW
1
2
3
45
6
7
SCSA
WOOD CONTEXT 9 MATERIALS DESIGN ANDTECHNOLOGY
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Material (mm) Price per metre125 x 30 $15.72125 x 38 $16.55125 x 50 $21.3490 x 90 $42.90250 x 38 $48.88200 x 50 $45.75Dowel 20 $9.05
(a) Using the plans on page 8 and the information above, complete the cutting list below and calculate the cost of the materials required to manufacture the dining table. Round the costs to the nearest cent. (7 marks)
Material cutting list
Part name Material (mm)
Number required
Total length required (m)
Price per metre Cost of part(s)
1. Stretcher 200 x 50
2. Leg 90 x 90
3. Short rail 125 x 30
4. Leg base 125 x 50
5. Foot 125 x 30
6. Top 250 x 38
7. Dowel 20
(b) Other than materials, identify three considerations to be taken into account in costing this product for a client. (3 marks)
MATERIALS DESIGN AND 10 WOOD CONTEXTTECHNOLOGY
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Question 10 (continued)
(c) During the production of the dining table, the manufacturer created a number of jigs and templates to help cut some of the shapes and to drill holes.
Identify two advantages that the manufacturer would gain by using the jigs and templates. (2 marks)
One:
Two:
(d) In the space below, sketch and annotate a jig or template that could be used to assist in the manufacture of the dining table. (6 marks)
WOOD CONTEXT 11 MATERIALS DESIGN ANDTECHNOLOGY
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Question 11 (10 marks)
When routing timber, there are many variables to consider and the ability to identify and solve problems is an important skill. In the table below, identify the causes of the possible problems and state the appropriate solutions.
Problem Cause of problem Solution
Burning timber
Router running along uncontrolled
Inconsistent cutting depth
Wood splintering/tearing
Router will not start
For copyright reasons this image cannot be reproduced in the online version of this document, but may be viewed at the link listed on the acknowledgements page.
MATERIALS DESIGN AND 12 WOOD CONTEXTTECHNOLOGY
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Question 12 (6 marks)
In recent years, there has been a movement toward the establishment of small-scale local design and production companies catering for individual needs.
(a) Definetheterm‘nichemarket’. (2marks)
(b) With reference to the statement above, explore how small-scale local industries have adapted to ensure success in the global market. (4 marks)
WOOD CONTEXT 13 MATERIALS DESIGN ANDTECHNOLOGY
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Question 13 (10 marks)
From the 1920s to the 1980s, the rapid deforestation of jarrah had huge environmental and socialeffectsinWesternAustralia.In2001,lawswerechangedtoendlogginginold-growthforests that heavily restricted the amount of jarrah that could be harvested.
Considering this statement, outline five environmental and five social impacts this change in law has had on our local society.
MATERIALS DESIGN AND 14 WOOD CONTEXTTECHNOLOGY
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Question 13 (continued)
End of questions: Wood
METAL CONTEXT 15 MATERIALS DESIGN ANDTECHNOLOGY
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Section Three: Metal context 60% (69 Marks)
This section contains six questions. Answer all questions.
Suggested working time: 90 minutes.
Question 14 (10 marks)
(a) Identify a new or emerging metal and list three advantages and three disadvantages of using this material over traditional materials. (7 marks)
New or emerging metal:
Advantages:
Disadvantages:
(b) Withreferencetothematerialidentifiedabove,explaintheinfluencethismaterialhashad in relation to product design. (3 marks)
MATERIALS DESIGN AND 16 METAL CONTEXTTECHNOLOGY
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Question 15 (15 marks)
Traditional Japanese bladed swords were made through a labour-intensive forging process. Each blade was made up of layers of carbon steel and then heat-treated prior to use.
(a) On the basis of their properties, provide a reason for the use of each of the three differenttypesofsteelintheproductionoftheJapaneseblade. (3marks)
(b) The tsuba (hand guard) is made from a non-ferrous alloy. Identify a possible metal from which it could be made. (1 mark)
(c) Identify three advantages of using an alloy. (3 marks)
For copyright reasons this image cannot be reproduced in the online version of this document, but may be viewed at the link
(e) The blade was heat-treated to change the properties of the steel. For two of the heat treatment methods listed below, state the property change that is involved and how each process could be achieved in the school workshop. Use correct workshop terminology.
(a) Using the plans on page 18 and the information above, complete the cutting list below and calculate the cost of the materials required to manufacture the dining table (wood top not included). Round the costs to the nearest cent. (7 marks)
Material cutting list
Part name Material (mm) Number required
Total length required (m)
Price per metre
Cost of part(s)
1. Leg upright 50 x 50 ERW tubing
2. Leg rail 50 x 50 ERW tubing
3. Rectangle vertical 40 x 5 mildsteelflatbar
4. Rectangle horizontal 40 x 5 mildsteelflatbar
5. Spacer vertical 40 x 5 mildsteelflatbar
6. Spacer horizontal 40 x 5 mildsteelflatbar
7. Mounting tab 50 x 5 mildsteelflatbar
(b) Other than materials, identify three considerations to be taken into account in costing this product for a client. (3 marks)
MATERIALS DESIGN AND 20 METAL CONTEXTTECHNOLOGY
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Question 16 (continued)
(c) During the production of the dining table, the manufacturer created a number of jigs and templates to help align the parts prior to welding.
Identify two advantages that the manufacturer would gain by using the jigs and templates. (2 marks)
One:
Two:
(d) In the space below, sketch and annotate a jig or template that could be used to assist in the manufacture of the dining table. (6 marks)
METAL CONTEXT 21 MATERIALS DESIGN ANDTECHNOLOGY
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Question 17 (10 marks)
Metal Inert Gas (MIG) welding is a welding process that joins metal together. MIG welder
Quality MIG welds are the result of not only good welding technique but also the ability to identify and solve problems if they occur. In the table below, identify the causes of the possible problems and state the appropriate solutions.
Problem Cause of problem Solution
No electrical arc (spark) during welding operation
Porosity of weld (small pinholes)
Workpiece is distorting (warping) after welding
Lack of penetration – shallow fusion between weld metal and workpiece
Electrode (wire) is not coming out of handpiece
For copyright reasons this image cannot be reproduced in the online version of this document, but may be viewed at the link listed on the acknowledgements page.
MATERIALS DESIGN AND 22 METAL CONTEXTTECHNOLOGY
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Question 18 (6 marks)
In recent years, there has been a movement toward the establishment of small-scale local design and production companies catering for individual needs.
(a) Definetheterm‘nichemarket’. (2marks)
(b) With reference to the statement above, explore how small-scale local industries have adapted to ensure success in the global market. (4 marks)
METAL CONTEXT 23 MATERIALS DESIGN ANDTECHNOLOGY
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Question 19 (10 marks)
Western Australia is the largest iron ore producer and exporter in the world, accounting for 38% of global production. Much of the demand for Western Australian iron ore comes from China but this demand has declined recently.
Considering this statement, outline five environmental and five social impacts of iron ore production on the local mining industry and community.
(e) Select a type of yarn and outline why a designer would choose that yarn. (3 marks)
MATERIALS DESIGN AND 28 TEXTILES CONTEXTTECHNOLOGY
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Question 22 (18 marks)
Below are images and pattern pieces for a size 8 skirt. This skirt is lined with acetate fabric and has a side zipper with top hook and eye. Its waistband is interfaced and folded for strength and decorated with a lace trim.
Patterned cotton sateen weave 150 cm wide $14.95/m
Interfacing – medium weight woven 112 cm wide $9.99/m
Acetate lining 115 cm $4.99/m
Lace trim $7.50/m
Materials Cost
Zipper $1.99
Hook and eye packet size 1 $3.50
Cutting Instructions
Piece A Piece B Piece C
FRONT AND BACKCUT 2 ON FOLDCUT 2 ON FOLD LINING
SIDECUT 4CUT 4 LINING
WAISTBANDCUT 1 ON FOLDCUT 1 ON FOLD INTERFACING
(a) Using the pattern on page 28 and the information above, complete the materials list below and calculate the cost of the materials required to produce the skirt. Round the costs to the nearest cent. (7 marks)
Item Quantity Price per metre Cost
Cotton plain weave
Cotton sateen weave
Interfacing
Lining
Zipper
Hooks and eyes
Lace trim
MATERIALS DESIGN AND 30 TEXTILES CONTEXTTECHNOLOGY
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Question 22 (continued)
(b) Other than materials, identify three considerations to be taken into account in costing this product for a client. (3 marks)
(c) Identify two processes or items of equipment that a manufacturer could use to improve accuracy when marking or cutting out a pattern. (2 marks)
(d) In the space below, sketch and annotate a pattern layout the manufacturer could use to minimise waste when cutting out the lining pattern pieces A and B. (6 marks)
MATERIALS DESIGN AND 32 TEXTILES CONTEXTTECHNOLOGY
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Question 23 (10 marks)
An overlocker is a piece of equipment that can be used in a variety of ways throughout the production of a textiles item.
Quality overlocking is the result of not only good technique, but also the ability to identify and solve problems if they occur. In the table below, identify the causes of the possible problems and state the appropriate solutions.
Problem Cause of problem Solution
Fabric rolling under
Loose looper threads
Thread not on the edge of the material
Stitching gathering
Fabric cutting caught in stitching
For copyright reasons this image cannot be reproduced in the online version of this document, but may be viewed at the link listed on the acknowledgements page.
In recent years, there has been a movement toward the establishment of small-scale local design and production companies catering for individual needs.
(a) Definetheterm‘nichemarket’. (2marks)
(b) With reference to the statement above, explore how small-scale local industries have adapted to ensure success in the global market. (4 marks)
MATERIALS DESIGN AND 34 TEXTILES CONTEXTTECHNOLOGY
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Question 25 (10 marks)
Australiaexportsfibressuchaswoolandcottontosatisfyglobaldemand.Thesefibresarethenprocessed in other countries.
Considering this statement, outline five environmental and five social impacts of textile production on the local industry and community.
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Copying or communication for any other purpose can be done only within the terms of the Copyright Act 1968 or with prior written permission of the School Curriculum and Standards Authority. Copying or communication of any third party copyright material can be done only within the terms of the Copyright Act 1968 or with permission of the copyright owners.
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Published by the School Curriculum and Standards Authority of Western Australia303 Sevenoaks Street
CANNINGTON WA 6107
MDT section 3 (last update 13/06)
ACKNOWLEDGEMENTS
Question 9 Diagram adapted from: Purdue University. (n.d.). Tree cross section.Retrieved May, 2019, from https://extension.entm.purdue.edu/EAB/images/tree_cross_section_lg.gif
Question 11 Image adapted from: Makita. (n.d.). 3‑1/4 HP* Plunge Router, with Variable Speed. Retrieved May, 2019, from https://www.makitatools.com/products/details/RP2301FC
Question 15 Left image adapted from: Ghiraddje. (2016). Katana brique [Diagram].In Wikipedia. Retrieved May, 2019, fromhttps://en.wikipedia.org/wiki/File:Katana_brique.svg#mw-jump-to-licenseUsed under Creative Commons CC0 1.0 Universal Public Domain DedicationRight image adapted from: [Japanese sword and blade cross-section diagram]. (n.d.). Retrieved May, 2019, from https://www.historynet.com/daisho-mystical-blades-of-the-japanese-samurai.htm
Question 17 Diagram adapted from: Ward, J. (2017). How to set up to MIG weld. Retrieved May, 2019, from http://www.kingsofwelding.com/guides/mig-welding-guide/Second paragraph (first sentence) adapted from: Bernard. (n.d.). The basics: MIG troubleshooting. Retrieved May, 2019, from https://www.bernardwelds.com/the-basics-mig--p152389#Top
Question 19 First paragraph adapted from: Government of Western Australia, Department of Jobs, Tourism, Science and Innovation. (2018, September). Western Australia iron ore profile. Retrieved May, 2019, from https://www.jtsi.wa.gov.au/docs/default-source/default-document-library/wa-iron-ore-profile---september-20188cfa10a57ba2628e86e4ff0000981137.pdf?sfvrsn=5a0d721c_6
Question 22 Floral pattern on skirt adapted from: DrCarl. (2014). [Rose wallpaper image]. Retrieved May, 2019, from https://pixabay.com/sv/photos/rose-rosor-blommor-red-valentine-374318/
Question 23 Image adapted from: BERNINA. (n.d.). Overlock 1150 MDA [Diagram]. Retrieved May, 2019, from https://www.bernina.com/en-GB/Local-Resources-gb/UK/school-downloads/Overlock-1150MDA.pdf
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